117 volatile long double z;  in log2l()  local
151 	z = x - 0.5L;  in log2l()
152 	y = 0.5L * z + 0.5L;  in log2l()
156 	z = x - 0.5L;  in log2l()
157 	z -= 0.5L;  in log2l()
160 x = z / y;  in log2l()
161 z = x*x;  in log2l()
162 y = x * ( z * __polevll( z, R, 3 ) / __p1evll( z, S, 3 ) );  in log2l()
178 z = x*x;  in log2l()
179 y = x * ( z * __polevll( x, P, 6 ) / __p1evll( x, Q, 7 ) );  in log2l()
180 y = y - ldexpl( z, -1 );   /* -0.5x^2 + ... */  in log2l()
192 z = y * LOG2EA;  in log2l()
193 z += x * LOG2EA;  in log2l()
194 z += y;  in log2l()
195 z += x;  in log2l()
196 z += e;  in log2l()
197 return( z );  in log2l()